Power Supply shown with Plug-ins (not included). Accommodates up to 3 ME522A plug-in units and supplies power to the units. The built-in controller provides the same control of the units as the ME522A. The MZ1003A expands the functions of the ME522A. MH945A E/O Converter: Electrical input: Operating freq.: 1 to 700 MHz. Data: Level: 0/-1V +/-0.1V or less. Waveform: NRZ, RZ. Optical output: Wavelength: 1.31 +/-0.02 mm. Data: Power: -6 +/-2 dBm. Waveform: NRZ, RZ. Extinction ratio: greater than 13 dB. MH946A O/E Converter: Optical input: Wavelength: 1.31 mm band. Data: Power: -15 dBm to ?3 dMb. Waveform: NRZ, RZ. Electrical output: Operation freq.: 1 to 700 MHz. Data: Waveform: NRZ, RZ. Termination connector: 50 W, BNC-type MZ1003A/MH945A/MH946A:extra MH945A also available: extra MH946A also available: LOT PRICE